https://www.athleticsintegrity.org/downloads/pdfs/disciplinary-process/en/260129-World-Athletics-v-Kibet-Koech-Decision-Redacted6.pdfA longtime member of the Kyudenko corporate team, rebranded as Kraftia after his departure, 10 mile world best holder Benard Kibet Koech has been banned 4 years for biological passport irregularities. All his results dating back to 26 June, 2024 have been
Source: japanrunningnews.blogspot.com